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1da177e4 LT |
1 | |
2 | /****************************************************************************** | |
3 | * | |
4 | * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These | |
5 | * interfaces must be implemented by OSL to interface the | |
6 | * ACPI components to the host operating system. | |
7 | * | |
8 | *****************************************************************************/ | |
9 | ||
1da177e4 | 10 | /* |
75e7386b | 11 | * Copyright (C) 2000 - 2012, Intel Corp. |
1da177e4 LT |
12 | * All rights reserved. |
13 | * | |
14 | * Redistribution and use in source and binary forms, with or without | |
15 | * modification, are permitted provided that the following conditions | |
16 | * are met: | |
17 | * 1. Redistributions of source code must retain the above copyright | |
18 | * notice, this list of conditions, and the following disclaimer, | |
19 | * without modification. | |
20 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
21 | * substantially similar to the "NO WARRANTY" disclaimer below | |
22 | * ("Disclaimer") and any redistribution must be conditioned upon | |
23 | * including a substantially similar Disclaimer requirement for further | |
24 | * binary redistribution. | |
25 | * 3. Neither the names of the above-listed copyright holders nor the names | |
26 | * of any contributors may be used to endorse or promote products derived | |
27 | * from this software without specific prior written permission. | |
28 | * | |
29 | * Alternatively, this software may be distributed under the terms of the | |
30 | * GNU General Public License ("GPL") version 2 as published by the Free | |
31 | * Software Foundation. | |
32 | * | |
33 | * NO WARRANTY | |
34 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
35 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
36 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
37 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
38 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
39 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
40 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
41 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
42 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
43 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
44 | * POSSIBILITY OF SUCH DAMAGES. | |
45 | */ | |
46 | ||
47 | #ifndef __ACPIOSXF_H__ | |
48 | #define __ACPIOSXF_H__ | |
49 | ||
50 | #include "platform/acenv.h" | |
51 | #include "actypes.h" | |
52 | ||
958dd242 | 53 | /* Types for acpi_os_execute */ |
1da177e4 | 54 | |
958dd242 BM |
55 | typedef enum { |
56 | OSL_GLOBAL_LOCK_HANDLER, | |
57 | OSL_NOTIFY_HANDLER, | |
58 | OSL_GPE_HANDLER, | |
59 | OSL_DEBUGGER_THREAD, | |
60 | OSL_EC_POLL_HANDLER, | |
4119532c | 61 | OSL_EC_BURST_HANDLER |
958dd242 | 62 | } acpi_execute_type; |
1da177e4 LT |
63 | |
64 | #define ACPI_NO_UNIT_LIMIT ((u32) -1) | |
65 | #define ACPI_MUTEX_SEM 1 | |
66 | ||
1da177e4 LT |
67 | /* Functions for acpi_os_signal */ |
68 | ||
69 | #define ACPI_SIGNAL_FATAL 0 | |
70 | #define ACPI_SIGNAL_BREAKPOINT 1 | |
71 | ||
4be44fcd LB |
72 | struct acpi_signal_fatal_info { |
73 | u32 type; | |
74 | u32 code; | |
75 | u32 argument; | |
1da177e4 LT |
76 | }; |
77 | ||
1da177e4 LT |
78 | /* |
79 | * OSL Initialization and shutdown primitives | |
80 | */ | |
dd272b57 | 81 | acpi_status __initdata acpi_os_initialize(void); |
1da177e4 | 82 | |
4be44fcd | 83 | acpi_status acpi_os_terminate(void); |
1da177e4 LT |
84 | |
85 | /* | |
86 | * ACPI Table interfaces | |
87 | */ | |
f3d2e786 | 88 | acpi_physical_address acpi_os_get_root_pointer(void); |
1da177e4 LT |
89 | |
90 | acpi_status | |
4be44fcd LB |
91 | acpi_os_predefined_override(const struct acpi_predefined_names *init_val, |
92 | acpi_string * new_val); | |
1da177e4 LT |
93 | |
94 | acpi_status | |
4be44fcd LB |
95 | acpi_os_table_override(struct acpi_table_header *existing_table, |
96 | struct acpi_table_header **new_table); | |
1da177e4 | 97 | |
f7b004a1 BM |
98 | acpi_status |
99 | acpi_os_physical_table_override(struct acpi_table_header *existing_table, | |
100 | acpi_physical_address * new_address, | |
101 | u32 *new_table_length); | |
102 | ||
1da177e4 | 103 | /* |
967440e3 BM |
104 | * Spinlock primitives |
105 | */ | |
07e49a7a RW |
106 | |
107 | #ifndef acpi_os_create_lock | |
9f63b88b LM |
108 | acpi_status |
109 | acpi_os_create_lock(acpi_spinlock *out_handle); | |
07e49a7a | 110 | #endif |
9f63b88b | 111 | |
967440e3 BM |
112 | void acpi_os_delete_lock(acpi_spinlock handle); |
113 | ||
114 | acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle); | |
115 | ||
116 | void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags); | |
117 | ||
118 | /* | |
119 | * Semaphore primitives | |
1da177e4 | 120 | */ |
1da177e4 | 121 | acpi_status |
4be44fcd | 122 | acpi_os_create_semaphore(u32 max_units, |
967440e3 | 123 | u32 initial_units, acpi_semaphore * out_handle); |
1da177e4 | 124 | |
967440e3 | 125 | acpi_status acpi_os_delete_semaphore(acpi_semaphore handle); |
1da177e4 | 126 | |
967440e3 BM |
127 | acpi_status |
128 | acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout); | |
129 | ||
130 | acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units); | |
131 | ||
132 | /* | |
1685bd40 BM |
133 | * Mutex primitives. May be configured to use semaphores instead via |
134 | * ACPI_MUTEX_TYPE (see platform/acenv.h) | |
967440e3 | 135 | */ |
1685bd40 BM |
136 | #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE) |
137 | ||
967440e3 | 138 | acpi_status acpi_os_create_mutex(acpi_mutex * out_handle); |
1da177e4 | 139 | |
967440e3 | 140 | void acpi_os_delete_mutex(acpi_mutex handle); |
1da177e4 | 141 | |
967440e3 | 142 | acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout); |
1da177e4 | 143 | |
967440e3 | 144 | void acpi_os_release_mutex(acpi_mutex handle); |
1685bd40 | 145 | #endif |
1da177e4 LT |
146 | |
147 | /* | |
148 | * Memory allocation and mapping | |
149 | */ | |
4be44fcd | 150 | void *acpi_os_allocate(acpi_size size); |
1da177e4 | 151 | |
fd350943 | 152 | void __iomem *acpi_os_map_memory(acpi_physical_address where, |
67a119f9 | 153 | acpi_size length); |
1da177e4 | 154 | |
4be44fcd | 155 | void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size); |
7d97277b | 156 | void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size); |
1da177e4 LT |
157 | |
158 | #ifdef ACPI_FUTURE_USAGE | |
159 | acpi_status | |
4be44fcd LB |
160 | acpi_os_get_physical_address(void *logical_address, |
161 | acpi_physical_address * physical_address); | |
1da177e4 LT |
162 | #endif |
163 | ||
73459f73 RM |
164 | /* |
165 | * Memory/Object Cache | |
166 | */ | |
167 | acpi_status | |
4be44fcd LB |
168 | acpi_os_create_cache(char *cache_name, |
169 | u16 object_size, | |
170 | u16 max_depth, acpi_cache_t ** return_cache); | |
73459f73 | 171 | |
4be44fcd | 172 | acpi_status acpi_os_delete_cache(acpi_cache_t * cache); |
73459f73 | 173 | |
4be44fcd | 174 | acpi_status acpi_os_purge_cache(acpi_cache_t * cache); |
73459f73 | 175 | |
4be44fcd | 176 | void *acpi_os_acquire_object(acpi_cache_t * cache); |
73459f73 | 177 | |
4be44fcd | 178 | acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object); |
73459f73 | 179 | |
1da177e4 LT |
180 | /* |
181 | * Interrupt handlers | |
182 | */ | |
1da177e4 | 183 | acpi_status |
4be44fcd LB |
184 | acpi_os_install_interrupt_handler(u32 gsi, |
185 | acpi_osd_handler service_routine, | |
186 | void *context); | |
1da177e4 LT |
187 | |
188 | acpi_status | |
4be44fcd | 189 | acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler service_routine); |
1da177e4 | 190 | |
5229e87d LB |
191 | void acpi_os_gpe_count(u32 gpe_number); |
192 | void acpi_os_fixed_event_count(u32 fixed_event_number); | |
193 | ||
1da177e4 LT |
194 | /* |
195 | * Threads and Scheduling | |
196 | */ | |
6af8bef1 PB |
197 | extern struct workqueue_struct *kacpi_hotplug_wq; |
198 | ||
8313524a | 199 | acpi_thread_id acpi_os_get_thread_id(void); |
1da177e4 LT |
200 | |
201 | acpi_status | |
958dd242 BM |
202 | acpi_os_execute(acpi_execute_type type, |
203 | acpi_osd_exec_callback function, void *context); | |
1da177e4 | 204 | |
19cd847a ZR |
205 | acpi_status |
206 | acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context); | |
207 | ||
bd6f10a5 | 208 | void acpi_os_wait_events_complete(void); |
1da177e4 | 209 | |
5df7e6cb | 210 | void acpi_os_sleep(u64 milliseconds); |
1da177e4 | 211 | |
4be44fcd | 212 | void acpi_os_stall(u32 microseconds); |
1da177e4 LT |
213 | |
214 | /* | |
215 | * Platform and hardware-independent I/O interfaces | |
216 | */ | |
4be44fcd | 217 | acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width); |
1da177e4 | 218 | |
4be44fcd | 219 | acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width); |
1da177e4 LT |
220 | |
221 | /* | |
222 | * Platform and hardware-independent physical memory interfaces | |
223 | */ | |
1da177e4 | 224 | acpi_status |
653f4b53 | 225 | acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width); |
1da177e4 LT |
226 | |
227 | acpi_status | |
653f4b53 | 228 | acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width); |
1da177e4 LT |
229 | |
230 | /* | |
231 | * Platform and hardware-independent PCI configuration space access | |
232 | * Note: Can't use "Register" as a parameter, changed to "Reg" -- | |
233 | * certain compilers complain. | |
234 | */ | |
1da177e4 | 235 | acpi_status |
4be44fcd | 236 | acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id, |
c5f0231e | 237 | u32 reg, u64 *value, u32 width); |
1da177e4 LT |
238 | |
239 | acpi_status | |
4be44fcd | 240 | acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id, |
5df7e6cb | 241 | u32 reg, u64 value, u32 width); |
1da177e4 | 242 | |
1da177e4 LT |
243 | /* |
244 | * Miscellaneous | |
245 | */ | |
4be44fcd | 246 | u64 acpi_os_get_timer(void); |
1da177e4 | 247 | |
4be44fcd | 248 | acpi_status acpi_os_signal(u32 function, void *info); |
1da177e4 LT |
249 | |
250 | /* | |
251 | * Debug print routines | |
252 | */ | |
4be44fcd | 253 | void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...); |
1da177e4 | 254 | |
4be44fcd | 255 | void acpi_os_vprintf(const char *format, va_list args); |
1da177e4 | 256 | |
4be44fcd | 257 | void acpi_os_redirect_output(void *destination); |
1da177e4 | 258 | |
44f6c012 | 259 | #ifdef ACPI_FUTURE_USAGE |
1da177e4 LT |
260 | /* |
261 | * Debug input | |
262 | */ | |
4be44fcd | 263 | u32 acpi_os_get_line(char *buffer); |
1da177e4 LT |
264 | #endif |
265 | ||
1da177e4 LT |
266 | /* |
267 | * Directory manipulation | |
268 | */ | |
4be44fcd LB |
269 | void *acpi_os_open_directory(char *pathname, |
270 | char *wildcard_spec, char requested_file_type); | |
1da177e4 LT |
271 | |
272 | /* requeste_file_type values */ | |
273 | ||
274 | #define REQUEST_FILE_ONLY 0 | |
275 | #define REQUEST_DIR_ONLY 1 | |
276 | ||
4be44fcd | 277 | char *acpi_os_get_next_filename(void *dir_handle); |
1da177e4 | 278 | |
4be44fcd | 279 | void acpi_os_close_directory(void *dir_handle); |
1da177e4 | 280 | |
4be44fcd | 281 | #endif /* __ACPIOSXF_H__ */ |